Condition: Used - Fully Tested & Quiet. Pulled from a working M404dn. Is your HP LaserJet M404 showing a "57.01 Fan Error" or making a loud, high-pitched grinding noise?. This is theOriginal HP Main Cooling Fan, manufactured byNMB-MAT (part numberRK2-7700 ), pulled from a fully operationalHP LaserJet Pro M404dn.
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